Solve the problem.A new exhibit is scheduled to open at the local museum. Museum officials expect that 7000 people will visit the exhibit in its first week, and that the number of visitors will drop by 20 people per week after the first week during the first 6 months. Find the total number of visitors expected in the exhibit's first 7 weeks.

A. 48,460 visitors
B. 48,580 visitors
C. 34,700 visitors
D. 41,700 visitors


Answer: B

Mathematics

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Solve. Round your answer to the nearest tenth, if necessary.An object is thrown upward from the top of a  building with an initial velocity of 48 feet per second. The height, h, of the object after t seconds is given by the quadratic equation  When will the object hit the ground?

A. In 5 seconds B. In 160 seconds C. In 2 seconds D. In 7 seconds

Mathematics

Add.-10 + (-8) + 17

A. -1 B. 6 C. 35 D. -35

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Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln 

A.
B.
C.
D.

Mathematics